Improvement



R. SIMPSON 8u G. E. GAULT. Clothes-Wringar.

No. 222,800. Patented Dec. 23,1879.

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o U Qa /x'f T17 y U Mn/msgs: n [22 www@ 7? w/aw. 22), 4M muy* M? f/f ROB ERT SIMPSON AND AGEORGE E; GAULT, OF CINCINNATI, OHIO.

IMPROVEMENT iN CLOTH ES-WRINGERS.

Speciiication forming part of Letters Fatcnt No. 222,@60, dated December 23, 1879; application filed September 1, 1879.

To all whom it may concern:

Be it known that we, ROBERT SIMPSON and GEORGE E. GAULT, of Cincinnati, in the county of Hamilton 'and State ot Ohio, have invented a new and useful Improvement in Olothcs-Wringers, which improvement is fully described in the following specification and accompanying drawings, in which- Figure 1 is a vertical central section of our improved wringer in the line a@ w of Fig. 2. Fig. 2 is an elevation and partial section of the same. Fig. 3 is a plan view of the two-leaved spring. i

The nature ot' our invention consists, first, in a clothes-wringing machine comprising a metal spring slotted at its ends and composed ot' two leaves, bot-h upwardly bowed and one shorter than the other, and both lying close together and riveted one to the other, a central rubber spring, a pressure-bar, tw.o indiaruhber end blocks, bearing-boxes with ,guide- Shanks, india-rubber squeezingrollers, a central pressure-screw, and standards ot' a frame, as will be hereinafter described.

In the annexed drawings, A. represents the standards ofthe wringer; B, the upper roller; B', the lower roller, and O C' the standardbraces.

The brace C is provided at its center with a nut, c, and set screw c', which latter bears against a pair of curved springs, D D', the upper one, D, of which is made shorter than the lower one, D. These springs are made tapering from their center toward their ends, as shown in Fig. 3, so as to be very flexible at their ends and comparatively stii at their middie.

The lower spring has a lower central support, consisting of an india-rubber block, d, which rests upon a pressure-bar, E.

The slotted ends of the spring D bear upon the ends of the pressure-bar, and this bar rests upon two metal washers, c, and india-rubber spring-blocks c', which latter, with the washers, are iitted on and supported by upright cent-ral Shanks, j', of the journal-bearings F oi the upper roller, said shanhs being adapted to pass through the slots in the ends of the spring and holes in the ends of pressure-bar E, as shown.

The washers e, spring-blocks c', and bear' ings F are fitted into vertical cylindrical slots a ot' the standards, and move up and down therein.

The rollers B B are of ordinary construction, consisting ot' a central core with tubular indiarubber coverings b, and of matched pinions b at the ends ot their journal-bearings.

The lower portions of the standards Aare constructed to form straight clamping-legs a', and these legs are provided with horizontal screw-bolts G,.which are attached in a fixed manner to the standards by means of heads g and nuts g', let into the material of the standards.

Opposite the stationaryr clamping-legs a movable clamping-legs H are provided, and these are attached to the standards by means of ordinary angular spring-plates I, the points of attachment to the legs and frame being in dicated at i and i', and the angle of the plates designated by the letter i2. y

The legs B are formed with oblong slots,`as at h, and through these slots the bolts G are passed, and upon the free ends of said bolts, outside of the legs, washers g2 and turning thumb-nuts g3 are provided.

The leaves D D of the spring, by being made one shorter than the other, and both tapering from their center to their ends, offer a gradually-increasing resistance, the lower leaf act ing all the time with a comparatively moderate. pressure and without the direct cooperation of the upper leat so long as the rollers are not separated to a great extent 5 but when the rollers become more than ordinarily forced apart by the clothes between them the lower leaf becomes so flattened as to bear upwardy against the ends ot the upper leaf ot` the spring, and thus add the power of resistance or the said leaf to that otl `its own.

A gradual increase of pressure is necessary in order to adapt the machine for wringing thick as well as thin articles without the `necessity of adjusting it for different kinds of work.

Byemploying a spring formed ot' two leaves, placed one u'pon another and united together, as shown, less room is required' than with semielliptic springs, as heretofore constructed and employed in wrin gers.

By placing the thin slotted ends of the doubled leaved semielliptic spring upon a pressure-bar Which is supported by india-rubber blocks and guided by the shanks of the journal-boxes of the india-rubber squeezing rollers, and having this pressure-bar bear upward against a central rubber spring, d, which is between it and thev double-leaved metal spring D D', the gradual progressive operation of the said metal spring is enhanced and the injurious flattening of the same avoided, the rubber spring d yielding downward only under ordinary strain, but becoming unyielding from overstrain, and thus checking the descent of the middle portion of the sp1-ing, and preventing permanent flattening or breaking of the same; but it will be understood that in the event'of the rubber spring d being thus Compressed the greatest requirement of spring action in a wringer will have been de` veloped, and no further strain should be exerted upon the machine.

By the employment of indiarubber end blocks and a central rubber spring as auxiliaries to the double-leaved spring all the funetions of the doubleleaved spring ean be developed gradually, and its volume added to by said rubber spring, and this, too, While an abutment or bearing between the pressure-bar and the double-leaved spring is constantly maintained.

Having described our invention, what We claim is- The wringing-machine Comprising the metal spring slotted at its ends, and formed of two leaves, D D', upwardly bowed and one -shorter than the other, and both lying close together and riveted one to the other, a eentral rubber spring, d, a pressure-bar, E, indiarubber end bleks, e', bearing-boxes F, With shanks j', india-rubber squeezing-rollers B B', a central pressure-screw, e', and standards A of a frame, substantially as and for the purpose set Jforth.

ROBERT SIMPSON. GEO. E. GAULI. Witnesses:

F. J. NOLKER, C. J. OHARA. 

